<?php
namespace Home\Model;
// 节点模型
class NodeModel extends CommonModel {
    protected $_validate = array(
        array('name','checkNode','节点已经存在',0,'callback'),
        );

    public function checkNode() {
        $map['name']= $_POST['name'];
        $map['pid']	= isset($_POST['pid'])?$_POST['pid']:0;
        $map['status'] = 1;
        if(!empty($_POST['id'])) {
            $map['id'] = array('neq',$_POST['id']);
        }
        $result	= $this->where($map)->field('id')->find();
        if($result) {
            return false;
        }else{
            return true;
        }
    }
}